Finding the Fourth Proportional to 119,417.67, 164,803.23 and 65,703.99
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Solution
The fourth proportional to 119,417.67, 164,803.23 and 65,703.99 is: 90,675.27
Step by Step Solution
- Step 1: Write the proportion equation
119,417.67 : 164,803.23 = 65,703.99 : x - Step 2: Convert to fraction form
119,417.67/164,803.23 = 65,703.99/x - Step 3: Cross multiply
119,417.67x = 164,803.23 × 65,703.99 - Step 4: Simplify right side
119,417.67x = 10,828,229,775.89 - Step 5: Solve for x
x = 10,828,229,775.89/119,417.67 - Step 6: Final answer
x = 90,675.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.